Home / 77,530,216.36-106,992,416.10-42,724,152.40

Finding the Fourth Proportional to 77,530,216.36, 106,992,416.10 and 42,724,152.40

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Solution

The fourth proportional to 77,530,216.36, 106,992,416.10 and 42,724,152.40 is: 58,959,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,216.36 : 106,992,416.10 = 42,724,152.40 : x
  2. Step 2: Convert to fraction form
    77,530,216.36/106,992,416.10 = 42,724,152.40/x
  3. Step 3: Cross multiply
    77,530,216.36x = 106,992,416.10 × 42,724,152.40
  4. Step 4: Simplify right side
    77,530,216.36x = 4,571,160,291,100,613
  5. Step 5: Solve for x
    x = 4,571,160,291,100,613/77,530,216.36
  6. Step 6: Final answer
    x = 58,959,725.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.